tccasm: synch C and asm symtab tighter
[tinycc.git] / configure
blob1ee3acb8c944ccc5083d6ce0df9d39d7c483047d
1 #!/bin/sh
3 # tcc configure script (c) 2003 Fabrice Bellard
5 # set temporary file name
6 # if test ! -z "$TMPDIR" ; then
7 # TMPDIR1="${TMPDIR}"
8 # elif test ! -z "$TEMPDIR" ; then
9 # TMPDIR1="${TEMPDIR}"
10 # else
11 # TMPDIR1="/tmp"
12 # fi
14 # bashism: TMPN="${TMPDIR1}/tcc-conf-${RANDOM}-$$-${RANDOM}.c"
16 TMPN="./conftest-$$"
17 TMPH=$TMPN.h
19 # default parameters
20 prefix=""
21 execprefix=""
22 bindir=""
23 libdir=""
24 tccdir=""
25 includedir=""
26 mandir=""
27 infodir=""
28 sysroot=""
29 cross_prefix=""
30 cc="gcc"
31 ar="ar"
32 strip="strip"
33 bigendian="no"
34 mingw32="no"
35 LIBSUF=".a"
36 EXESUF=""
37 DLLSUF=".so"
38 tcc_sysincludepaths=""
39 tcc_libpaths=""
40 tcc_crtprefix=""
41 tcc_elfinterp=""
42 triplet=
43 tcc_lddir=
44 confvars=
45 suggest="yes"
46 cpu=
47 cpuver=
48 gcc_major=0
49 gcc_minor=0
51 # OS specific
52 targetos=`uname`
53 case $targetos in
54 Darwin)
55 confvars="$confvars OSX"
56 DLLSUF=".dylib"
58 MINGW*|MSYS*|CYGWIN*)
59 mingw32=yes
61 DragonFly|OpenBSD|FreeBSD|NetBSD)
62 confvars="$confvars ldl=no"
66 esac
68 # find source path
69 source_path=${0%configure}
70 source_path=${source_path%/}
71 source_path_used="yes"
72 if test -z "$source_path" -o "$source_path" = "." ; then
73 source_path=`pwd`
74 source_path_used="no"
77 for opt do
78 eval opt=\"$opt\"
79 case "$opt" in
80 --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
82 --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
84 --tccdir=*) tccdir=`echo $opt | cut -d '=' -f 2`
86 --bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
88 --libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
90 --includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
92 --sharedir=*) sharedir=`echo $opt | cut -d '=' -f 2`
94 --mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
96 --infodir=*) infodir=`echo $opt | cut -d '=' -f 2`
98 --docdir=*) docdir=`echo $opt | cut -d '=' -f 2`
100 --sysroot=*) sysroot=`echo $opt | cut -d '=' -f 2`
102 --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
104 --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
106 --cc=*) cc=`echo $opt | cut -d '=' -f 2`
108 --ar=*) ar=`echo $opt | cut -d '=' -f 2`
110 --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
112 --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
114 --extra-libs=*) extralibs="${opt#--extra-libs=}"
116 --sysincludepaths=*) tcc_sysincludepaths=`echo $opt | cut -d '=' -f 2`
118 --libpaths=*) tcc_libpaths=`echo $opt | cut -d '=' -f 2`
120 --crtprefix=*) tcc_crtprefix=`echo $opt | cut -d '=' -f 2`
122 --elfinterp=*) tcc_elfinterp=`echo $opt | cut -d '=' -f 2`
124 --triplet=*) triplet=`echo $opt | cut -d '=' -f 2`
126 --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
128 --enable-cross) confvars="$confvars cross"
130 --disable-static) confvars="$confvars static=no"
132 --enable-static) confvars="$confvars static"
134 --disable-rpath) confvars="$confvars rpath=no"
136 --strip-binaries) confvars="$confvars strip"
138 --with-libgcc) confvars="$confvars libgcc"
140 --with-selinux) confvars="$confvars selinux"
142 --config-mingw32*) mingw32=$(echo "$opt=yes" | cut -d '=' -f 2)
144 --config-*) confvars="$confvars ${opt#--config-}"; suggest="no"
146 --help|-h) show_help="yes"
148 *) echo "configure: WARNING: unrecognized option $opt"
150 esac
151 done
153 if test -z "$cpu" ; then
154 if test -n "$ARCH" ; then
155 cpu="$ARCH"
156 else
157 cpu=`uname -m`
161 case "$cpu" in
162 x86|i386|i486|i586|i686|i86pc|BePC|i686-AT386)
163 cpu="i386"
165 x86_64|amd64|x86-64)
166 cpu="x86_64"
168 arm*)
169 case "$cpu" in
170 arm|armv4l)
171 cpuver=4
173 armv5tel|armv5tejl)
174 cpuver=5
176 armv6j|armv6l)
177 cpuver=6
179 armv7a|armv7l)
180 cpuver=7
182 esac
183 cpu="arm"
185 aarch64)
186 cpu="aarch64"
188 alpha)
189 cpu="alpha"
191 "Power Macintosh"|ppc|ppc64)
192 cpu="ppc"
194 mips)
195 cpu="mips"
197 s390)
198 cpu="s390"
201 echo "Unsupported CPU"
202 exit 1
204 esac
206 # Checking for CFLAGS
207 if test -z "$CFLAGS"; then
208 CFLAGS="-Wall -g -O2"
211 if test "$mingw32" = "yes" ; then
212 if test "$source_path_used" = "no"; then
213 source_path="."
215 if test "$cc" = gcc; then
216 test -z "$LDFLAGS" && LDFLAGS="-static"
218 test -z "$prefix" && prefix="C:/Program Files/tcc"
219 test -z "$tccdir" && tccdir="${prefix}"
220 test -z "$bindir" && bindir="${tccdir}"
221 test -z "$docdir" && docdir="${tccdir}/doc"
222 test -z "$libdir" && libdir="${tccdir}/libtcc"
223 confvars="$confvars WIN32"
224 LIBSUF=".lib"
225 EXESUF=".exe"
226 DLLSUF=".dll"
227 else
228 if test -z "$prefix" ; then
229 prefix="/usr/local"
231 if test -z "$sharedir" ; then
232 sharedir="${prefix}/share"
234 if test x"$execprefix" = x""; then
235 execprefix="${prefix}"
237 if test x"$libdir" = x""; then
238 libdir="${execprefix}/lib"
240 if test x"$bindir" = x""; then
241 bindir="${execprefix}/bin"
243 if test x"$docdir" = x""; then
244 docdir="${sharedir}/doc"
246 if test x"$mandir" = x""; then
247 mandir="${sharedir}/man"
249 if test x"$infodir" = x""; then
250 infodir="${sharedir}/info"
252 if test x"$tccdir" = x""; then
253 tccdir="${libdir}/tcc"
255 if test x"$includedir" = x""; then
256 includedir="${prefix}/include"
258 fi # mingw32
260 if test x"$show_help" = "xyes" ; then
261 cat << EOF
262 Usage: configure [options]
263 Options: [defaults in brackets after descriptions]
265 Standard options:
266 --help print this message
267 --prefix=PREFIX install in PREFIX [$prefix]
268 --exec-prefix=EPREFIX install architecture-dependent files in EPREFIX
269 [same as prefix]
270 --bindir=DIR user executables in DIR [EPREFIX/bin]
271 --libdir=DIR object code libraries in DIR [EPREFIX/lib]
272 --tccdir=DIR installation directory [EPREFIX/lib/tcc]
273 --includedir=DIR C header files in DIR [PREFIX/include]
274 --sharedir=DIR documentation root DIR [PREFIX/share]
275 --docdir=DIR documentation in DIR [SHAREDIR/doc/tcc]
276 --mandir=DIR man documentation in DIR [SHAREDIR/man]
277 --infodir=DIR info documentation in DIR [SHAREDIR/info]
279 Advanced options (experts only):
280 --source-path=PATH path of source code [$source_path]
281 --cross-prefix=PREFIX use PREFIX for compile tools [$cross_prefix]
282 --sysroot=PREFIX prepend PREFIX to library/include paths []
283 --cc=CC use C compiler CC [$cc]
284 --ar=AR create archives using AR [$ar]
285 --extra-cflags= specify compiler flags [$CFLAGS]
286 --extra-ldflags= specify linker options []
287 --cpu=CPU CPU [$cpu]
288 --strip-binaries strip symbol tables from resulting binaries
289 --disable-static make libtcc.so instead of libtcc.a
290 --enable-static make libtcc.a instead of libtcc.dll (win32)
291 --disable-rpath disable use of -rpath with the above
292 --with-libgcc use libgcc_s.so.1 instead of libtcc1.a
293 --enable-cross build cross compilers
294 --with-selinux use mmap for executable memory (with tcc -run)
295 --sysincludepaths=... specify system include paths, colon separated
296 --libpaths=... specify system library paths, colon separated
297 --crtprefix=... specify locations of crt?.o, colon separated
298 --elfinterp=... specify elf interpreter
299 --triplet=... specify system library/include directory triplet
300 --config-uClibc,-musl,-mingw32... enable system specific configurations
302 #echo "NOTE: The object files are build at the place where configure is launched"
303 exit 1
306 cc="${cross_prefix}${cc}"
307 ar="${cross_prefix}${ar}"
308 strip="${cross_prefix}${strip}"
310 if test -z "$cross_prefix" ; then
311 CONFTEST=./conftest$EXESUF
312 if ! $cc -o $CONFTEST $source_path/conftest.c 2>/dev/null ; then
313 echo "configure: error: '$cc' failed to compile conftest.c."
314 else
315 gcc_major="$($CONFTEST version)"
316 gcc_minor="$($CONFTEST minor)"
318 bigendian="$($CONFTEST bigendian)"
319 if test "$mingw32" = "no" ; then
321 if test -z "$triplet"; then
322 tt="$($CONFTEST triplet)"
323 if test -n "$tt" -a -f "/usr/lib/$tt/crti.o" ; then
324 triplet="$tt"
328 if test -z "$triplet"; then
329 if test $cpu = "x86_64" -o $cpu = "aarch64" ; then
330 if test -f "/usr/lib64/crti.o" ; then
331 tcc_lddir="lib64"
336 if test "$cpu" = "arm" ; then
337 if test "${triplet%eabihf}" != "$triplet" ; then
338 confvars="$confvars arm_eabihf"
339 elif test "${triplet%eabi}" != "$triplet" ; then
340 confvars="$confvars arm_eabi"
342 if grep -s -q "^Features.* \(vfp\|iwmmxt\) " /proc/cpuinfo ; then
343 confvars="$confvars arm_vfp"
347 if test "$suggest" = "yes"; then
348 if test -f "/lib/ld-uClibc.so.0" ; then
349 echo "Perhaps you want ./configure --config-uClibc"
351 if test -f "/lib/ld-musl-$cpu.so.1"; then
352 echo "Perhaps you want ./configure --config-musl"
356 else
357 # if cross compiling, cannot launch a program, so make a static guess
358 case $cpu in
359 ppc|mips|s390) bigendian=yes;;
360 esac
363 if test "$bigendian" = "yes" ; then
364 confvars="$confvars BIGENDIAN"
367 # a final configuration tuning
368 if ! echo "$cc" | grep -q "tcc"; then
369 OPT1="-Wdeclaration-after-statement -fno-strict-aliasing"
370 # we want -Wno- but gcc does not always reject unknown -Wno- options
371 OPT2="-Wpointer-sign -Wsign-compare -Wunused-result"
372 if echo "$cc" | grep -q "clang"; then
373 OPT1="$OPT1 -fheinous-gnu-extensions"
374 OPT2="$OPT2 -Wstring-plus-int"
376 $cc $OPT1 $OPT2 -o a.out -c -xc - < /dev/null > cc_msg.txt 2>&1
377 for o in $OPT1; do # enable these options
378 if ! grep -q -- $o cc_msg.txt; then CFLAGS="$CFLAGS $o"; fi
379 done
380 for o in $OPT2; do # disable these options
381 if ! grep -q -- $o cc_msg.txt; then CFLAGS="$CFLAGS -Wno-${o#-W*}"; fi
382 done
383 # cat cc_msg.txt
384 # echo $CFLAGS
385 rm -f cc_msg.txt a.out
388 fcho() { if test -n "$2"; then echo "$1$2"; fi }
390 fcho "Binary directory " "$bindir"
391 fcho "TinyCC directory " "$tccdir"
392 fcho "Library directory " "$libdir"
393 fcho "Include directory " "$includedir"
394 fcho "Manual directory " "$mandir"
395 fcho "Info directory " "$infodir"
396 fcho "Doc directory " "$docdir"
397 fcho "Target root prefix " "$sysroot"
398 echo "Source path $source_path"
399 echo "C compiler $cc ($gcc_major.$gcc_minor)"
400 echo "Target OS $targetos"
401 echo "CPU $cpu"
402 fcho "Triplet " "$triplet"
403 fcho "Config " "${confvars# }"
404 echo "Creating config.mak and config.h"
406 cat >config.mak <<EOF
407 # Automatically generated by configure - do not modify
408 prefix=$prefix
409 bindir=\$(DESTDIR)$bindir
410 tccdir=\$(DESTDIR)$tccdir
411 libdir=\$(DESTDIR)$libdir
412 includedir=\$(DESTDIR)$includedir
413 mandir=\$(DESTDIR)$mandir
414 infodir=\$(DESTDIR)$infodir
415 docdir=\$(DESTDIR)$docdir
416 CC=$cc
417 GCC_MAJOR=$gcc_major
418 GCC_MINOR=$gcc_minor
419 AR=$ar
420 STRIP=$strip -s -R .comment -R .note
421 CFLAGS=$CFLAGS
422 LDFLAGS=$LDFLAGS
423 LIBSUF=$LIBSUF
424 EXESUF=$EXESUF
425 DLLSUF=$DLLSUF
428 print_inc() {
429 if test -n "$2"; then
430 echo "#ifndef $1" >> $TMPH
431 echo "# define $1 \"$2\"" >> $TMPH
432 echo "#endif" >> $TMPH
436 print_mak() {
437 if test -n "$2"; then
438 echo "NATIVE_DEFINES+=-D$1=\"\\\"$2\\\"\"" >> config.mak
442 print_mak_int() {
443 if test -n "$2"; then
444 echo "NATIVE_DEFINES+=-D$1=$2" >> config.mak
448 echo "/* Automatically generated by configure - do not modify */" > $TMPH
450 print_inc CONFIG_SYSROOT "$sysroot"
451 print_inc CONFIG_TCCDIR "$tccdir"
452 print_mak CONFIG_TCC_SYSINCLUDEPATHS "$tcc_sysincludepaths"
453 print_mak CONFIG_TCC_LIBPATHS "$tcc_libpaths"
454 print_mak CONFIG_TCC_CRTPREFIX "$tcc_crtprefix"
455 print_mak CONFIG_TCC_ELFINTERP "$tcc_elfinterp"
456 print_mak CONFIG_LDDIR "$tcc_lddir"
457 print_mak CONFIG_TRIPLET "$triplet"
458 print_mak_int TCC_CPU_VERSION "$cpuver"
460 if test "$cpu" = "aarch64" ; then
461 echo "ARCH=arm64" >> config.mak
462 else
463 echo "ARCH=$cpu" >> config.mak
465 echo "TARGETOS=$targetos" >> config.mak
467 for v in $confvars ; do
468 if test "${v%=*}" = "$v"; then
469 echo "CONFIG_$v=yes" >> config.mak
470 else
471 echo "CONFIG_$v" >> config.mak
473 done
475 version=`head $source_path/VERSION`
476 echo "VERSION = $version" >> config.mak
477 echo "#define TCC_VERSION \"$version\"" >> $TMPH
478 echo "@set VERSION $version" > config.texi
480 if test "$source_path_used" = "yes" ; then
481 case $source_path in
482 /*) echo "TOPSRC=$source_path";;
483 *) echo "TOPSRC=\$(TOP)/$source_path";;
484 esac >>config.mak
485 else
486 echo 'TOPSRC=$(TOP)' >>config.mak
489 diff $TMPH config.h >/dev/null 2>&1
490 if test $? -ne 0 ; then
491 mv -f $TMPH config.h
492 else
493 echo "config.h is unchanged"
496 rm -f $TMPN* $CONFTEST
498 # ---------------------------------------------------------------------------
499 # build tree in object directory if source path is different from current one
501 fn_makelink()
503 tgt=$1/$2
504 case $2 in
505 */*) dn=${2%/*}
506 test -d $dn || mkdir -p $dn
507 case $1 in
508 /*) ;;
509 *) while test $dn ; do
510 tgt=../$tgt; dn=${dn#${dn%%/*}}; dn=${dn#/}
511 done
513 esac
515 esac
517 ln -sfn $tgt $2 || ( echo "ln failed. Using cp instead."; cp -f $1/$2 $2 )
520 if test "$source_path_used" = "yes" ; then
521 FILES="Makefile lib/Makefile tests/Makefile tests/tests2/Makefile tests/pp/Makefile"
522 for f in $FILES ; do
523 fn_makelink $source_path $f
524 done
527 # ---------------------------------------------------------------------------